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XCCDF
Application Security and Development Security Technical Implementation Guide
SRG-APP-000014
The application must use the NotOnOrAfter condition when using the SubjectConfirmation element in a SAML assertion.
The application must use the NotOnOrAfter condition when using the SubjectConfirmation element in a SAML assertion.
An XCCDF Rule
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The application must use the NotOnOrAfter condition when using the SubjectConfirmation element in a SAML assertion.
High Severity
<VulnDiscussion>SAML is a standard for exchanging authentication and authorization data between security domains. SAML uses security tokens containing assertions to pass information about a principal (usually an end user) between a SAML authority, (identity provider), and a SAML consumer, (service provider). SAML assertions are usually made about a subject, (user) represented by the <Subject> element. When a SAML assertion is used with a <SubjectConfirmation> element, a begin and end time for the <SubjectConfirmation> should be set to prevent reuse of the message at a later time. Not setting a specific time period for the <SubjectConfirmation>, may grant immediate access to an attacker and result in an immediate loss of confidentiality.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>